From ac336b7a263c6c729647c99c9afc8290c22d3db6 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Thu, 12 Mar 2020 00:50:24 +0100
Subject: [PATCH] main: split into mod init_log

---
 src/init_log.rs | 19 +++++++++++++++++++
 src/main.rs     | 21 ++-------------------
 2 files changed, 21 insertions(+), 19 deletions(-)
 create mode 100644 src/init_log.rs

diff --git a/src/init_log.rs b/src/init_log.rs
new file mode 100644
index 0000000..fc736df
--- /dev/null
+++ b/src/init_log.rs
@@ -0,0 +1,19 @@
+#[cfg(not(feature = "semihosting"))]
+pub fn init_log() {}
+
+#[cfg(feature = "semihosting")]
+pub fn init_log() {
+    use log::LevelFilter;
+    use cortex_m_log::log::{Logger, init};
+    use cortex_m_log::printer::semihosting::{InterruptOk, hio::HStdout};
+    static mut LOGGER: Option<Logger<InterruptOk<HStdout>>> = None;
+    let logger = Logger {
+        inner: InterruptOk::<_>::stdout().expect("semihosting stdout"),
+        level: LevelFilter::Info,
+    };
+    let logger = unsafe {
+        LOGGER.get_or_insert(logger)
+    };
+
+    init(logger).expect("set logger");
+}
diff --git a/src/main.rs b/src/main.rs
index 6b9124f..7f3869d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,6 +24,8 @@ use smoltcp::{
     wire::EthernetAddress,
 };
 
+mod init_log;
+use init_log::init_log;
 mod pins;
 use pins::Pins;
 mod ad7172;
@@ -46,25 +48,6 @@ const WATCHDOG_INTERVAL: u32 = 10_000;
 #[cfg(not(feature = "generate-hwaddr"))]
 const NET_HWADDR: [u8; 6] = [0x02, 0x00, 0xDE, 0xAD, 0xBE, 0xEF];
 
-#[cfg(not(feature = "semihosting"))]
-fn init_log() {}
-
-#[cfg(feature = "semihosting")]
-fn init_log() {
-    use log::LevelFilter;
-    use cortex_m_log::log::{Logger, init};
-    use cortex_m_log::printer::semihosting::{InterruptOk, hio::HStdout};
-    static mut LOGGER: Option<Logger<InterruptOk<HStdout>>> = None;
-    let logger = Logger {
-        inner: InterruptOk::<_>::stdout().expect("semihosting stdout"),
-        level: LevelFilter::Info,
-    };
-    let logger = unsafe {
-        LOGGER.get_or_insert(logger)
-    };
-
-    init(logger).expect("set logger");
-}
 
 /// Initialization and main loop
 #[entry]